Product Summary

Longze High-Efficiency Solar PV Modules are engineered to deliver maximum power output and long-term reliability for residential, commercial, and utility-scale solar projects. Featuring advanced

Monocrystalline PERC technology, our Solar Panels are built to withstand extreme environmental conditions, ensuring a 25-year performance warranty and seamless integration with our Фотоволтаични скоби.

• ✔ High Conversion Efficiency: Utilizing Grade A solar cells with optimized anti-reflective coating to maximize sunlight absorption and energy yield.
  
  

• ✔ Mechanical Load Strength: Reinforced frame design certified to withstand high wind loads (2400 Pa) and heavy snow loads (5400 Pa).
  
  

• ✔ 25-Year Linear Warranty: Guaranteed 80% power output after 25 years, supported by rigorous salt spray and ammonia corrosion testing.

• Standards: IEC 61215, IEC 61730, CE, ISO 9001.
  
  

• Cell Type: Monocrystalline PERC (166mm / 182mm / 210mm).
  
  

• Frame Material: Anodized Aluminum Alloy (Silver / Black).
  
  

• Glass: 3.2mm High-Transmission Tempered Glass.

Technical Specifications & Power Output

• Precision performance metrics for Solar PV Modules.

• Module Power	Efficiency	Dimensions (mm)	Weight	Voc (V)
  450W - 460W	20.8% - 21.2%	2094 x 1038 x 35	23.5 kg	49.6 V
  540W - 550W	21.0% - 21.5%	2278 x 1134 x 35	28.5 kg	49.8 V
  660W - 670W	21.2% - 21.7%	2384 x 1303 x 35	34.0 kg	54.0 V

Reliability & Environmental Durability

• Ensuring long-term stability in diverse climate zones.

• Test Type	Стандартен	Result	Приложение
  Salt Spray Test	IEC 61701	Level 6 (Passed)	Coastal / Marine
  Ammonia Test	IEC 62716	Passed	Agricultural / Farm
  PID Resistance	Industry Std	Low Degradation	High-Temp / Humidity

Avoid Pitfalls:

• Hot Spot Risks: Avoid installing modules in shaded areas or using low-quality bypass diodes. Excessive heat can cause localized cell damage and reduce the lifespan of the Solar PV Module.
  
  

• Micro-Cracks: Handle panels with extreme care during installation. Stepping on the glass or dropping the module can cause invisible micro-cracks that lead to significant power loss over time.
  
  

• Improper Grounding: Ensure each Solar Panel is electrically bonded to the Фотоволтаични скоби using specialized grounding clips to prevent electrical surges and fire hazards.
  
  

Perfect Fit Assembly:

• Clamp Compatibility: Use Longze Solar Mid and End Clamps specifically designed for your module's frame thickness (30mm/35mm/40mm) to ensure a vibration-proof mechanical lock.
  
  

• Wiring Management: Utilize UV-resistant cable clips to secure MC4 connectors under the rail, preventing cable sagging and potential short circuits.
  
  

Quality Control & Logistics:

• ISO 9001 Certified: 100% EL (Electroluminescence) inspection before and after lamination to ensure zero micro-cracks.
  
  

• Tier-Grade Packaging: Reinforced vertical packaging with protective corner buffers, optimized for safe international transit from our export facilities.

Q: Do you offer All-Black modules for residential roofs? A: Yes, we provide premium All-Black Monocrystalline Panels for superior aesthetics in residential sunrooms and carports.

Q: Can these panels be used with C-Channel Purlins? A: Absolutely. Our modules are designed for universal mounting on both Aluminum Rails и Galvanized C-Shaped Steel systems.